<template>
    <div>
        <button @click="isShow = !isShow">显示/隐藏</button>
        <transition-group name="hello" :appear="true">
            <h1 v-show="isShow" class="come" key="1">你好啊</h1>
            <h1 v-show="isShow" class="come" key="2">尚硅谷</h1>
        </transition-group>
    </div>
</template>

<script>
export default {
    name:"test",
    data(){
        return {
            isShow : true,
        }
    }
}
</script>

<style scoped>
    h1{
        background-color: orange;
        transition: 1s;
    }

    /* 进入的起点 离开的终点 */
    .hello-enter,
    .hello-leave-to{
        transform: translateX(-100%);
    }

    /* 进入的终点 离开的起点 */
    .hello-enter-to,
    .hello-leave{
        transform: translateX(-0px);
    }

</style>